Guide54 terms
Comma/openpilot Terms, Phrases & Acronyms
A glossary of 50+ terms, phrases, and acronyms used across the openpilot and comma community.
What is a fork?
A fork is a new independent project built from an existing codebase. In the openpilot community, forks like DragonPilot, SunnyPilot, and FrogPilot start from openpilot and add their own features, defaults, and tuning behavior.
Glossary
Terms by group
- ACC
- Adaptive Cruise Control
- ADAS
- Advanced Driver Assistance System
- AOL
- Always On Lateral
- AP
- Autopilot (Tesla-specific term)
- AEB
- Automatic Emergency Braking
- ALC
- Automatic Lane Centering or Automatic Lane Change
- BSM
- Blind Spot Monitoring
- C2
- Comma Two device
- C3
- Comma Three device
- C3X
- Comma Three X device
- CEM
- Conditional Experimental Mode
- Clone
- Unofficial openpilot-compatible device
- DM
- Driver Monitoring
- DP
- DragonPilot
- DSU
- Driver Support Unit (Toyota-specific). See also SDSU.
- E2E
- End-to-end machine learning approach
- FCW
- Forward Collision Warning
- FP
- FrogPilot
- FSD
- Full Self Driving (Tesla term)
- Geo / GeoHot
- George Hotz, Comma founder
- HDA I/II
- Highway Drive Assist (Hyundai-specific)
- HKG
- Hyundai / Kia / Genesis vehicle group
- Jacob
- Community nickname reference for Jacob Pfeifer
- LA
- Los Angeles model
- LDW
- Lane Departure Warning
- LFA
- Lane Follow Assist
- LTA
- Lane Trace Assist (Toyota-specific)
- LKA
- Lane Keep Assist
- LKAS
- Lane Keep Assist System
- MADS
- Modular Assisted Driving System (a sunnypilot feature)
- MPC
- Model Predictive Control
- MTSC
- Map-based Turn Speed Control
- NLP
- New Lane Planner
- NNFF
- Neural Network FeedForward
- NoA
- Navigate on Autopilot (Tesla-specific)
- NoO
- Navigate on openpilot
- OP
- openpilot software
- OPGM
- openpilot for GM vehicles (by Nworby)
- OPTK
- openpilot Toolkit
- OSM
- OpenStreetMap
- OTA
- Over-the-air update
- RCTA
- Rear Cross Traffic Alert
- RDM
- Road Departure Mitigation (Honda-specific)
- RSA
- Road Sign Assist (Toyota-specific)
- SCC
- Smart Cruise Control
- SDSU
- Community-enhanced DSU
- SLC
- Speed Limit Control
- SP
- SunnyPilot
- TACC
- Traffic-Aware Cruise Control (Tesla-specific)
- TSS
- Toyota Safety Sense
- UI
- User Interface
- UX
- User Experience
- VTSC
- Vision-based Turn Speed Control
- ZSS
- Zorrobyte Steering Sensor
References
sunnypilot references
Keep going
Read the FAQ for plain answers, or compare the openpilot forks side by side.
CommaGuide is an independent guide and is not affiliated with comma.ai.
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